AQSQID: 080013001

Site Name: Welby - 78th Ave. & Steele St.

Location: Adams Co, CO

Reporting: False, Located: True

Current AQI: None

Adams Co CO, US: 39.8392, -104.9489

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 16, 2019, 2 p.m. N/A N/A N/A 33.0 ppb (31) N/A 3.0 ppb (4) 1.0 ppb (1) 0.3 ppb (3) 69.0 μg/m3 (57) N/A 57.0
 
Nov. 16, 2019, 1 p.m. N/A N/A N/A 33.0 ppb (31) N/A 2.0 ppb (3) 3.0 ppb (2) 0.4 ppb (4) 101.0 μg/m3 (73) N/A 73.0
 
Nov. 16, 2019, noon N/A N/A N/A 31.0 ppb (29) N/A 2.0 ppb (3) 1.0 ppb (1) 0.3 ppb (3) 28.0 μg/m3 (25) N/A 29.0
 
Nov. 16, 2019, 11 a.m. N/A N/A N/A 30.0 ppb (28) N/A 1.0 ppb (1) 2.0 ppb (2) 0.2 ppb (2) 26.0 μg/m3 (24) N/A 28.0
 
Nov. 16, 2019, 10 a.m. N/A N/A N/A 32.0 ppb (30) N/A 1.0 ppb (1) 1.0 ppb (1) 0.3 ppb (3) 21.0 μg/m3 (19) N/A 30.0
 
Nov. 16, 2019, 9 a.m. N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 2.0 ppb (2) 0.5 ppb (6) 21.0 μg/m3 (19) N/A 29.0
 
Nov. 16, 2019, 8 a.m. N/A N/A N/A 30.0 ppb (28) N/A 2.0 ppb (3) 1.0 ppb (1) 0.9 ppb (10) 34.0 μg/m3 (31) N/A 31.0
 
Nov. 16, 2019, 7 a.m. N/A N/A N/A 27.0 ppb (25) N/A 2.0 ppb (3) 1.0 ppb (1) 1.1 ppb (12) 62.0 μg/m3 (54) N/A 54.0
 
Nov. 16, 2019, 6 a.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (9) 58.0 μg/m3 (52) N/A 52.0
 
Nov. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 1.0 ppb (1) 0.9 ppb (10) 65.0 μg/m3 (55) N/A 55.0
 
Nov. 16, 2019, 4 a.m. N/A N/A N/A 27.0 ppb (25) N/A 2.0 ppb (3) 1.0 ppb (1) 1.0 ppb (11) 66.0 μg/m3 (56) N/A 56.0
 
Nov. 16, 2019, 3 a.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) 1.0 ppb (1) 1.0 ppb (11) 80.0 μg/m3 (62) N/A 62.0
 
Nov. 16, 2019, 2 a.m. N/A N/A N/A 29.0 ppb (27) N/A 2.0 ppb (3) 1.0 ppb (1) 1.1 ppb (12) 98.0 μg/m3 (72) N/A 72.0
 
Nov. 16, 2019, 1 a.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 1.0 ppb (1) 0.4 ppb (4) 65.0 μg/m3 (55) N/A 55.0
 
Nov. 16, 2019, midnight N/A N/A N/A 30.0 ppb (28) N/A 1.0 ppb (1) 1.0 ppb (1) 0.3 ppb (3) 89.0 μg/m3 (67) N/A 67.0
 
Nov. 15, 2019, 11 p.m. N/A N/A N/A 34.0 ppb (31) N/A 1.0 ppb (1) 2.0 ppb (2) 0.3 ppb (3) 69.0 μg/m3 (57) N/A 57.0
 
Nov. 15, 2019, 10 p.m. N/A N/A N/A 30.0 ppb (28) N/A 1.0 ppb (1) 13.0 ppb (10) 0.3 ppb (3) 114.0 μg/m3 (80) N/A 80.0
 
Nov. 15, 2019, 9 p.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 18.0 ppb (14) 0.3 ppb (3) 72.0 μg/m3 (58) N/A 58.0
 
Nov. 15, 2019, 8 p.m. N/A N/A N/A 38.0 ppb (35) N/A 2.0 ppb (3) 12.0 ppb (9) 0.5 ppb (6) 103.0 μg/m3 (74) N/A 74.0
 
Nov. 15, 2019, 7 p.m. N/A N/A N/A 50.0 ppb (46) N/A 4.0 ppb (6) 6.0 ppb (5) 1.2 ppb (13) 187.0 μg/m3 (116) N/A 116.0
 
Nov. 15, 2019, 6 p.m. N/A N/A N/A 48.0 ppb (44) N/A 4.0 ppb (6) 4.0 ppb (3) 0.8 ppb (9) 111.0 μg/m3 (78) N/A 78.0
 
Nov. 15, 2019, 5 p.m. N/A N/A N/A 49.0 ppb (45) N/A 5.0 ppb (7) 3.0 ppb (2) 1.1 ppb (12) 146.0 μg/m3 (96) N/A 96.0
 
Nov. 15, 2019, 4 p.m. N/A N/A N/A 45.0 ppb (42) N/A 4.0 ppb (6) 2.0 ppb (2) 1.2 ppb (13) 153.0 μg/m3 (99) N/A 99.0
 
Nov. 15, 2019, 3 p.m. N/A N/A N/A 36.0 ppb (33) N/A 3.0 ppb (4) 1.0 ppb (1) 0.9 ppb (10) 125.0 μg/m3 (85) N/A 85.0
 
Nov. 15, 2019, 2 p.m. N/A N/A N/A 36.0 ppb (33) N/A 3.0 ppb (4) 1.0 ppb (1) 0.9 ppb (10) 107.0 μg/m3 (76) N/A 76.0
 
Nov. 15, 2019, 1 p.m. N/A N/A N/A 30.0 ppb (28) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (9) 56.0 μg/m3 (50) N/A 50.0
 
Nov. 15, 2019, noon N/A N/A N/A 28.0 ppb (26) N/A 2.0 ppb (3) 1.0 ppb (1) 0.6 ppb (7) 50.0 μg/m3 (45) N/A 45.0
 
Nov. 15, 2019, 11 a.m. N/A N/A N/A 29.0 ppb (27) N/A 1.0 ppb (1) 2.0 ppb (2) 0.6 ppb (7) 40.0 μg/m3 (36) N/A 36.0
 
Nov. 15, 2019, 10 a.m. N/A N/A N/A 26.0 ppb (24) N/A 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) 34.0 μg/m3 (31) N/A 31.0
 
Nov. 15, 2019, 9 a.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) 34.0 μg/m3 (31) N/A 31.0
 
Nov. 15, 2019, 8 a.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 1.0 ppb (1) 0.7 ppb (8) 41.0 μg/m3 (37) N/A 37.0
 
Nov. 15, 2019, 7 a.m. N/A N/A N/A 30.0 ppb (28) N/A 1.0 ppb (1) 1.0 ppb (1) 0.7 ppb (8) 51.0 μg/m3 (46) N/A 46.0
 
Nov. 15, 2019, 6 a.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) 42.0 μg/m3 (38) N/A 38.0
 
Nov. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) 42.0 μg/m3 (38) N/A 38.0
 
Nov. 15, 2019, 4 a.m. N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 1.0 ppb (1) 0.5 ppb (6) 56.0 μg/m3 (50) N/A 50.0
 
Nov. 15, 2019, 3 a.m. N/A N/A N/A 36.0 ppb (33) N/A 1.0 ppb (1) 1.0 ppb (1) 0.9 ppb (10) 73.0 μg/m3 (59) N/A 59.0
 
Nov. 15, 2019, 2 a.m. N/A N/A N/A 38.0 ppb (35) N/A 1.0 ppb (1) 1.0 ppb (1) 0.8 ppb (9) 69.0 μg/m3 (57) N/A 57.0
 
Nov. 15, 2019, 1 a.m. N/A N/A N/A 38.0 ppb (35) N/A 0.0 ppb (0) 2.0 ppb (2) 0.4 ppb (4) 72.0 μg/m3 (58) N/A 58.0
 
Nov. 15, 2019, midnight N/A N/A N/A 30.0 ppb (28) N/A 0.0 ppb (0) 10.0 ppb (8) 0.2 ppb (2) 90.0 μg/m3 (68) N/A 68.0
 
Nov. 14, 2019, 11 p.m. N/A N/A N/A 30.0 ppb (28) N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 50.0 μg/m3 (45) N/A 45.0
 
Nov. 14, 2019, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) 32.0 μg/m3 (29) N/A 29.0
 
Nov. 14, 2019, 9 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) 15.0 μg/m3 (14) N/A 27.0
 
Nov. 14, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 17.0 μg/m3 (15) N/A 28.0
 
Nov. 14, 2019, 7 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 30.0 ppb (23) 0.2 ppb (2) 15.0 μg/m3 (14) N/A 23.0
 
Nov. 14, 2019, 6 p.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) 24.0 ppb (18) 0.2 ppb (2) 27.0 μg/m3 (25) N/A 25.0
 
Nov. 14, 2019, 5 p.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 22.0 ppb (17) 0.2 ppb (2) 31.0 μg/m3 (28) N/A 28.0
 
Nov. 14, 2019, 4 p.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 18.0 ppb (14) 0.2 ppb (2) 25.0 μg/m3 (23) N/A 23.0
 
Nov. 14, 2019, 3 p.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 12.0 ppb (9) 0.3 ppb (3) 34.0 μg/m3 (31) N/A 31.0
 
Nov. 14, 2019, 2 p.m. N/A N/A N/A 29.0 ppb (27) N/A 1.0 ppb (1) 4.0 ppb (3) 0.3 ppb (3) 46.0 μg/m3 (42) N/A 42.0
 
Nov. 14, 2019, 1 p.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 3.0 ppb (2) 0.2 ppb (2) 36.0 μg/m3 (33) N/A 33.0
 
Nov. 14, 2019, noon N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) 13.0 μg/m3 (12) N/A 15.0
 
Nov. 14, 2019, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) 10.0 μg/m3 (9) N/A 18.0
 
Nov. 14, 2019, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) 12.0 μg/m3 (11) N/A 19.0
 
Nov. 14, 2019, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.0 ppb (0) 18.0 μg/m3 (16) N/A 20.0
 
Nov. 14, 2019, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) 13.0 μg/m3 (12) N/A 15.0
 
Nov. 14, 2019, 7 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) 26.0 μg/m3 (24) N/A 24.0
 
Nov. 14, 2019, 6 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (8) 0.1 ppb (1) 23.0 μg/m3 (21) N/A 21.0
 
Nov. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.1 ppb (1) 24.0 μg/m3 (22) N/A 22.0
 
Nov. 14, 2019, 4 a.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 12.0 ppb (9) 0.1 ppb (1) 32.0 μg/m3 (29) N/A 29.0
 
Nov. 14, 2019, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) 15.0 μg/m3 (14) N/A 15.0
 
Nov. 14, 2019, 2 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 17.0 ppb (13) 0.1 ppb (1) 20.0 μg/m3 (18) N/A 18.0
 
Nov. 14, 2019, 1 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 8.0 ppb (6) 0.2 ppb (2) 32.0 μg/m3 (29) N/A 29.0
 
Nov. 14, 2019, midnight N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 18.0 ppb (14) 0.1 ppb (1) 27.0 μg/m3 (25) N/A 25.0
 
Nov. 13, 2019, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) 31.0 μg/m3 (28) N/A 28.0
 
Nov. 13, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) 29.0 μg/m3 (26) N/A 29.0
 
Nov. 13, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) 25.0 μg/m3 (23) N/A 30.0
 
Nov. 13, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) 25.0 μg/m3 (23) N/A 30.0
 
Nov. 13, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) 21.0 μg/m3 (19) N/A 28.0
 
Nov. 13, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) 27.0 μg/m3 (25) N/A 27.0
 
Nov. 13, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 34.0 ppb (26) 0.1 ppb (1) 33.0 μg/m3 (30) N/A 30.0
 
Nov. 13, 2019, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 31.0 ppb (24) 0.1 ppb (1) 45.0 μg/m3 (41) N/A 41.0
 
Nov. 13, 2019, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 33.0 ppb (25) 0.1 ppb (1) 41.0 μg/m3 (37) N/A 37.0
 
Nov. 13, 2019, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 36.0 ppb (28) 0.1 ppb (1) 31.0 μg/m3 (28) N/A 28.0
 
Nov. 13, 2019, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) 17.0 μg/m3 (15) N/A 29.0
 
Nov. 13, 2019, noon N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 41.0 ppb (32) 0.1 ppb (1) 8.0 μg/m3 (7) N/A 32.0
 
Nov. 13, 2019, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 40.0 ppb (31) 0.0 ppb (0) 49.0 μg/m3 (45) N/A 45.0
 
Nov. 13, 2019, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) 12.0 μg/m3 (11) N/A 27.0
 
Nov. 13, 2019, 9 a.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) 16.0 ppb (12) 0.2 ppb (2) 24.0 μg/m3 (22) N/A 23.0
 
Nov. 13, 2019, 8 a.m. N/A N/A N/A 36.0 ppb (33) N/A 2.0 ppb (3) 2.0 ppb (2) 0.3 ppb (3) 46.0 μg/m3 (42) N/A 42.0
 
Nov. 13, 2019, 7 a.m. N/A N/A N/A 35.0 ppb (32) N/A 2.0 ppb (3) 2.0 ppb (2) 0.5 ppb (6) 32.0 μg/m3 (29) N/A 32.0
 
Nov. 13, 2019, 6 a.m. N/A N/A N/A 34.0 ppb (31) N/A 3.0 ppb (4) 2.0 ppb (2) 0.8 ppb (9) 58.0 μg/m3 (52) N/A 52.0
 
Nov. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 3.0 ppb (2) 1.0 ppb (11) 68.0 μg/m3 (56) N/A 56.0
 
Nov. 13, 2019, 4 a.m. N/A N/A N/A 36.0 ppb (33) N/A 3.0 ppb (4) 3.0 ppb (2) 1.4 ppb (16) 71.0 μg/m3 (58) N/A 58.0
 
Nov. 13, 2019, 3 a.m. N/A N/A N/A 33.0 ppb (31) N/A 3.0 ppb (4) 1.0 ppb (1) 1.4 ppb (16) 122.0 μg/m3 (84) N/A 84.0
 
Nov. 13, 2019, 2 a.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (9) 75.0 μg/m3 (60) N/A 60.0
 
Nov. 13, 2019, 1 a.m. N/A N/A N/A 34.0 ppb (31) N/A 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) 89.0 μg/m3 (67) N/A 67.0
 
Nov. 13, 2019, midnight N/A N/A N/A 37.0 ppb (34) N/A 1.0 ppb (1) 1.0 ppb (1) 0.5 ppb (6) 101.0 μg/m3 (73) N/A 73.0
 
Nov. 12, 2019, 11 p.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 11.0 ppb (8) 0.2 ppb (2) 76.0 μg/m3 (60) N/A 60.0
 
Nov. 12, 2019, 10 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 68.0 μg/m3 (56) N/A 56.0
 
Nov. 12, 2019, 11 a.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 1.0 ppb (1) 0.4 ppb (4) 17.0 μg/m3 (15) N/A 26.0
 
Nov. 12, 2019, 10 a.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 1.0 ppb (1) 0.4 ppb (4) 17.0 μg/m3 (15) N/A 25.0
 
Nov. 12, 2019, 9 a.m. N/A N/A N/A 26.0 ppb (24) N/A 1.0 ppb (1) 1.0 ppb (1) 0.5 ppb (6) 20.0 μg/m3 (18) N/A 24.0
 
Nov. 12, 2019, 8 a.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 1.0 ppb (1) 0.5 ppb (6) 19.0 μg/m3 (17) N/A 25.0
 
Nov. 12, 2019, 7 a.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 2.0 ppb (2) 0.5 ppb (6) 21.0 μg/m3 (19) N/A 25.0
 
Nov. 12, 2019, 6 a.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 2.0 ppb (2) 0.6 ppb (7) 23.0 μg/m3 (21) N/A 26.0
 
Nov. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (1) 0.7 ppb (8) 25.0 μg/m3 (23) N/A 23.0
 
Nov. 12, 2019, 4 a.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 1.0 ppb (1) 0.8 ppb (9) 26.0 μg/m3 (24) N/A 25.0
 
Nov. 12, 2019, 3 a.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) 30.0 μg/m3 (27) N/A 27.0
 
Nov. 12, 2019, 2 a.m. N/A N/A N/A 28.0 ppb (26) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) 28.0 μg/m3 (25) N/A 26.0
 
Nov. 12, 2019, 1 a.m. N/A N/A N/A 30.0 ppb (28) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) 34.0 μg/m3 (31) N/A 31.0
 
Nov. 12, 2019, midnight N/A N/A N/A 30.0 ppb (28) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) 33.0 μg/m3 (30) N/A 30.0
 
Nov. 11, 2019, 11 p.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) 6.0 ppb (5) 0.3 ppb (3) 25.0 μg/m3 (23) N/A 24.0
 
Nov. 11, 2019, 10 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 14.0 ppb (11) 0.2 ppb (2) 22.0 μg/m3 (20) N/A 20.0
 
Nov. 11, 2019, 9 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) 31.0 μg/m3 (28) N/A 28.0
 
Nov. 11, 2019, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) 22.0 μg/m3 (20) N/A 20.0
 
Nov. 11, 2019, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) 37.0 μg/m3 (34) N/A 34.0
 
Nov. 11, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) 17.0 μg/m3 (15) N/A 20.0
 
Nov. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) 20.0 μg/m3 (18) N/A 22.0
 
Nov. 11, 2019, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A N/A 8.0 μg/m3 (7) N/A 7.0
 
Nov. 11, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) 12.0 μg/m3 (11) N/A 21.0
 
Nov. 11, 2019, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) 5.0 μg/m3 (5) N/A 21.0
 
Nov. 11, 2019, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) 53.0 μg/m3 (48) N/A 48.0
 
Nov. 11, 2019, noon N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) 12.0 μg/m3 (11) N/A 16.0
 
Nov. 11, 2019, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) 4.0 μg/m3 (4) N/A 15.0
 
Nov. 11, 2019, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) 13.0 μg/m3 (12) N/A 17.0
 
Nov. 11, 2019, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) 20.0 μg/m3 (18) N/A 18.0
 
Nov. 11, 2019, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) 0.0 μg/m3 (0) N/A 16.0
 
Nov. 11, 2019, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) 4.0 μg/m3 (4) N/A 12.0
 
Nov. 11, 2019, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (10) 0.1 ppb (1) N/A N/A 10.0
 
Nov. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.1 ppb (1) 6.0 μg/m3 (5) N/A 9.0
 
Nov. 11, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (10) 0.1 ppb (1) 14.0 μg/m3 (13) N/A 13.0
 
Nov. 11, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (10) 0.0 ppb (0) 14.0 μg/m3 (13) N/A 13.0
 
Nov. 11, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (14) 0.0 ppb (0) 96.0 μg/m3 (70) N/A 70.0
 
Nov. 11, 2019, 1 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) 54.0 μg/m3 (49) N/A 49.0
 
Nov. 11, 2019, midnight N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 23.0 ppb (18) 0.1 ppb (1) 45.0 μg/m3 (41) N/A 41.0
 
Nov. 10, 2019, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) 35.0 μg/m3 (32) N/A 32.0
 
Nov. 10, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) 42.0 μg/m3 (38) N/A 38.0
 
Nov. 10, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 42.0 ppb (32) 0.1 ppb (1) 30.0 μg/m3 (27) N/A 32.0
 
Nov. 10, 2019, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 42.0 ppb (32) 0.1 ppb (1) 22.0 μg/m3 (20) N/A 32.0
 
Nov. 10, 2019, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) 22.0 μg/m3 (20) N/A 30.0
 
Nov. 10, 2019, 6 p.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 31.0 ppb (24) 0.1 ppb (1) 44.0 μg/m3 (40) N/A 40.0
 
Nov. 10, 2019, 5 p.m. N/A N/A N/A 23.0 ppb (21) N/A 3.0 ppb (4) 24.0 ppb (18) 0.2 ppb (2) 19.0 μg/m3 (17) N/A 21.0
 
Nov. 10, 2019, 4 p.m. N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) 17.0 ppb (13) 0.3 ppb (3) 28.0 μg/m3 (25) N/A 25.0
 
Nov. 10, 2019, 3 p.m. N/A N/A N/A 34.0 ppb (31) N/A 2.0 ppb (3) 8.0 ppb (6) 0.4 ppb (4) 33.0 μg/m3 (30) N/A 31.0
 
Nov. 10, 2019, 2 p.m. N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 3.0 ppb (2) 0.5 ppb (6) 41.0 μg/m3 (37) N/A 37.0
 
Nov. 10, 2019, 1 p.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 1.0 ppb (1) 0.4 ppb (4) 22.0 μg/m3 (20) N/A 25.0
 
Nov. 10, 2019, noon N/A N/A N/A 25.0 ppb (23) N/A 1.0 ppb (1) 1.0 ppb (1) 0.3 ppb (3) 24.0 μg/m3 (22) N/A 23.0
 
Nov. 10, 2019, 11 a.m. N/A N/A N/A 26.0 ppb (24) N/A 1.0 ppb (1) 2.0 ppb (2) 0.3 ppb (3) 51.0 μg/m3 (46) N/A 46.0
 
Nov. 10, 2019, 10 a.m. N/A N/A N/A 30.0 ppb (28) N/A 1.0 ppb (1) 2.0 ppb (2) 0.4 ppb (4) 17.0 μg/m3 (15) N/A 28.0
 
Nov. 10, 2019, 9 a.m. N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 1.0 ppb (1) 0.5 ppb (6) 31.0 μg/m3 (28) N/A 29.0
 
Nov. 10, 2019, 8 a.m. N/A N/A N/A 30.0 ppb (28) N/A 1.0 ppb (1) 1.0 ppb (1) 0.4 ppb (4) 34.0 μg/m3 (31) N/A 31.0
 
Nov. 10, 2019, 7 a.m. N/A N/A N/A 32.0 ppb (30) N/A 1.0 ppb (1) 1.0 ppb (1) 0.4 ppb (4) 41.0 μg/m3 (37) N/A 37.0
 
Nov. 10, 2019, 6 a.m. N/A N/A N/A 34.0 ppb (31) N/A 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) 45.0 μg/m3 (41) N/A 41.0
 
Nov. 10, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) 40.0 μg/m3 (36) N/A 36.0
 
Nov. 10, 2019, 4 a.m. N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 1.0 ppb (1) 0.5 ppb (6) 30.0 μg/m3 (27) N/A 31.0
 
Nov. 10, 2019, 3 a.m. N/A N/A N/A 36.0 ppb (33) N/A 1.0 ppb (1) 1.0 ppb (1) 0.7 ppb (8) 95.0 μg/m3 (70) N/A 70.0
 
Nov. 10, 2019, 2 a.m. N/A N/A N/A 36.0 ppb (33) N/A 1.0 ppb (1) 5.0 ppb (4) 0.5 ppb (6) 55.0 μg/m3 (50) N/A 50.0
 
Nov. 10, 2019, 1 a.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) 23.0 μg/m3 (21) N/A 25.0
 
Nov. 10, 2019, midnight N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) 23.0 μg/m3 (21) N/A 25.0
 
Nov. 9, 2019, 11 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) 19.0 μg/m3 (17) N/A 25.0
 
Nov. 9, 2019, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) 27.0 μg/m3 (25) N/A 31.0
 
Nov. 9, 2019, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 24.0 μg/m3 (22) N/A 32.0
 
Nov. 9, 2019, 8 p.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 35.0 ppb (27) 0.2 ppb (2) 33.0 μg/m3 (30) N/A 30.0
 
Nov. 9, 2019, 7 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 34.0 ppb (26) 0.2 ppb (2) 35.0 μg/m3 (32) N/A 32.0
 
Nov. 9, 2019, 6 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 31.0 ppb (24) 0.1 ppb (1) 29.0 μg/m3 (26) N/A 26.0
 
Nov. 9, 2019, 5 p.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 24.0 ppb (18) 0.2 ppb (2) 36.0 μg/m3 (33) N/A 33.0
 
Nov. 9, 2019, 4 p.m. N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) 16.0 ppb (12) 0.2 ppb (2) 45.0 μg/m3 (41) N/A 41.0
 
Nov. 9, 2019, 3 p.m. N/A N/A N/A 34.0 ppb (31) N/A 2.0 ppb (3) 7.0 ppb (5) 0.4 ppb (4) 90.0 μg/m3 (68) N/A 68.0
 
Nov. 9, 2019, 2 p.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 4.0 ppb (3) 0.4 ppb (4) 66.0 μg/m3 (56) N/A 56.0
 
Nov. 9, 2019, 1 p.m. N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 1.0 ppb (1) 0.3 ppb (3) 33.0 μg/m3 (30) N/A 31.0
 
Nov. 9, 2019, noon N/A N/A N/A 32.0 ppb (30) N/A 1.0 ppb (1) 3.0 ppb (2) 0.2 ppb (2) 29.0 μg/m3 (26) N/A 30.0
 
Nov. 9, 2019, 11 a.m. N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 4.0 ppb (3) 0.2 ppb (2) 14.0 μg/m3 (13) N/A 29.0
 
Nov. 9, 2019, 10 a.m. N/A N/A N/A 32.0 ppb (30) N/A 1.0 ppb (1) 2.0 ppb (2) 0.2 ppb (2) 14.0 μg/m3 (13) N/A 30.0
 
Nov. 9, 2019, 9 a.m. N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 1.0 ppb (1) 0.3 ppb (3) 14.0 μg/m3 (13) N/A 31.0
 
Nov. 9, 2019, 8 a.m. N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 1.0 ppb (1) 0.3 ppb (3) 18.0 μg/m3 (16) N/A 31.0
 
Nov. 9, 2019, 7 a.m. N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 2.0 ppb (2) 0.5 ppb (6) 33.0 μg/m3 (30) N/A 31.0
 
Nov. 9, 2019, 6 a.m. N/A N/A N/A 36.0 ppb (33) N/A 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) 42.0 μg/m3 (38) N/A 38.0
 
Nov. 9, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (1) 0.5 ppb (6) 37.0 μg/m3 (34) N/A 34.0